*{
    margin: 0;
    padding: 0;
}
.container{
    width: 100%;
    margin: 0 auto;
    position: relative;
}
.header{
    line-height: 60px;
    width: 90%;
    height: 60px;
    position: absolute;
    left: 150px;
}
.header .left {
    width: 30%;
    display: inline-block;
    box-sizing: border-box;
}
.header .left a {
    text-decoration: none;
    color: #46b8da;
}

.container .header a:hover {
    color: green;
}

.header .img1 {
    vertical-align: middle;
}

.header .right {
    width: 50%;
    display: inline-block;
    box-sizing: border-box;
    text-align: right;
    height: 60px;
}

.header .right a {
    text-decoration: none;
    color: black;
    margin-right: 20px;
}

.header .right a:hover {
    color: green;
}
.container .body{
    width: 100%;
    margin: 0 auto;

}
.container .body .img2{
    width: 100%;
}
.container .body .banner{
    position: absolute;
    top: 170px;
    left: 600px;
}
.container .body .banner p{
    font-size: 50px;
    text-align: center;
    color: forestgreen;
}
.container .body .banner button {
    width: 100px;
    height: 50px;
    margin-top: 150px;
    background-color: #c9e2b3;
    margin-left: 30px;
    margin-right: 30px;
}

/*����ǰ�ť��css��ʽ*/
.cta {

    margin-top: 150px;
    margin-left: 50px;

    background-color: forestgreen;
    display: inline-block;
    padding: 0.8em 3em 0.8em 3em;
    border-radius: 100px;
    font-family: "Raleway";
    box-shadow: 0px 5px 40px rgba(52, 52, 52, 0.6);
    color: white;
    text-decoration: none;
    font-size: 1.2em;
    overflow: hidden;
    backface-visibility: hidden;
    position: relative;
}
.cta:active {
    transform: translateY(3px);
}

.btn-text-parent {
    position: relative;
    display: inline-block;
    overflow: hidden;
}

.wrap_text {
    display: inline-block;
}

.buildin-btn-text {
    position: absolute;
    left: 0;
    top: 0;
    z-index: 9;
    width: 100%;
    transform: translateY(100%);
}
.buildin-btn-text .btn-letter {
    opacity: 0;
}

.btn-letter {
    display: inline-block;
    margin: 0em 0.05em;
    position: relative;
    transition: transform 300ms, opacity 300ms ease;
}

.current-btn-text .btn-letter:nth-child(1) {
    transition-delay: 49ms;
}

.current-btn-text .btn-letter:nth-child(2) {
    transition-delay: 99ms;
}

.current-btn-text .btn-letter:nth-child(3) {
    transition-delay: 149ms;
}

.current-btn-text .btn-letter:nth-child(4) {
    transition-delay: 199ms;
}

.current-btn-text .btn-letter:nth-child(5) {
    transition-delay: 249ms;
}

.current-btn-text .btn-letter:nth-child(6) {
    transition-delay: 299ms;
}

.current-btn-text .btn-letter:nth-child(7) {
    transition-delay: 349ms;
}

.current-btn-text .btn-letter:nth-child(8) {
    transition-delay: 399ms;
}

.current-btn-text .btn-letter:nth-child(9) {
    transition-delay: 449ms;
}

.current-btn-text .btn-letter:nth-child(10) {
    transition-delay: 499ms;
}

.current-btn-text .btn-letter:nth-child(11) {
    transition-delay: 549ms;
}

.current-btn-text .btn-letter:nth-child(12) {
    transition-delay: 599ms;
}

.current-btn-text .btn-letter:nth-child(13) {
    transition-delay: 649ms;
}

.current-btn-text .btn-letter:nth-child(14) {
    transition-delay: 699ms;
}

.current-btn-text .btn-letter:nth-child(15) {
    transition-delay: 749ms;
}

.current-btn-text .btn-letter:nth-child(16) {
    transition-delay: 799ms;
}

.current-btn-text .btn-letter:nth-child(17) {
    transition-delay: 849ms;
}

.current-btn-text .btn-letter:nth-child(18) {
    transition-delay: 899ms;
}

.current-btn-text .btn-letter:nth-child(19) {
    transition-delay: 949ms;
}

.current-btn-text .btn-letter:nth-child(20) {
    transition-delay: 999ms;
}

.current-btn-text .btn-letter:nth-child(21) {
    transition-delay: 1049ms;
}

.current-btn-text .btn-letter:nth-child(22) {
    transition-delay: 1099ms;
}

.current-btn-text .btn-letter:nth-child(23) {
    transition-delay: 1149ms;
}

.current-btn-text .btn-letter:nth-child(24) {
    transition-delay: 1199ms;
}

.current-btn-text .btn-letter:nth-child(25) {
    transition-delay: 1249ms;
}

.current-btn-text .btn-letter:nth-child(26) {
    transition-delay: 1299ms;
}

.current-btn-text .btn-letter:nth-child(27) {
    transition-delay: 1349ms;
}

.current-btn-text .btn-letter:nth-child(28) {
    transition-delay: 1399ms;
}

.current-btn-text .btn-letter:nth-child(29) {
    transition-delay: 1449ms;
}

.current-btn-text .btn-letter:nth-child(30) {
    transition-delay: 1499ms;
}

.buildin-btn-text .btn-letter:nth-child(1) {
    opacity: 0;
    transition-delay: 49ms;
}

.buildin-btn-text .btn-letter:nth-child(2) {
    opacity: 0;
    transition-delay: 99ms;
}

.buildin-btn-text .btn-letter:nth-child(3) {
    opacity: 0;
    transition-delay: 149ms;
}

.buildin-btn-text .btn-letter:nth-child(4) {
    opacity: 0;
    transition-delay: 199ms;
}

.buildin-btn-text .btn-letter:nth-child(5) {
    opacity: 0;
    transition-delay: 249ms;
}

.buildin-btn-text .btn-letter:nth-child(6) {
    opacity: 0;
    transition-delay: 299ms;
}

.buildin-btn-text .btn-letter:nth-child(7) {
    opacity: 0;
    transition-delay: 349ms;
}

.buildin-btn-text .btn-letter:nth-child(8) {
    opacity: 0;
    transition-delay: 399ms;
}

.buildin-btn-text .btn-letter:nth-child(9) {
    opacity: 0;
    transition-delay: 449ms;
}

.buildin-btn-text .btn-letter:nth-child(10) {
    opacity: 0;
    transition-delay: 499ms;
}

.buildin-btn-text .btn-letter:nth-child(11) {
    opacity: 0;
    transition-delay: 549ms;
}

.buildin-btn-text .btn-letter:nth-child(12) {
    opacity: 0;
    transition-delay: 599ms;
}

.buildin-btn-text .btn-letter:nth-child(13) {
    opacity: 0;
    transition-delay: 649ms;
}

.buildin-btn-text .btn-letter:nth-child(14) {
    opacity: 0;
    transition-delay: 699ms;
}

.buildin-btn-text .btn-letter:nth-child(15) {
    opacity: 0;
    transition-delay: 749ms;
}

.buildin-btn-text .btn-letter:nth-child(16) {
    opacity: 0;
    transition-delay: 799ms;
}

.buildin-btn-text .btn-letter:nth-child(17) {
    opacity: 0;
    transition-delay: 849ms;
}

.buildin-btn-text .btn-letter:nth-child(18) {
    opacity: 0;
    transition-delay: 899ms;
}

.buildin-btn-text .btn-letter:nth-child(19) {
    opacity: 0;
    transition-delay: 949ms;
}

.buildin-btn-text .btn-letter:nth-child(20) {
    opacity: 0;
    transition-delay: 999ms;
}

.buildin-btn-text .btn-letter:nth-child(21) {
    opacity: 0;
    transition-delay: 1049ms;
}

.buildin-btn-text .btn-letter:nth-child(22) {
    opacity: 0;
    transition-delay: 1099ms;
}

.buildin-btn-text .btn-letter:nth-child(23) {
    opacity: 0;
    transition-delay: 1149ms;
}

.buildin-btn-text .btn-letter:nth-child(24) {
    opacity: 0;
    transition-delay: 1199ms;
}

.buildin-btn-text .btn-letter:nth-child(25) {
    opacity: 0;
    transition-delay: 1249ms;
}

.buildin-btn-text .btn-letter:nth-child(26) {
    opacity: 0;
    transition-delay: 1299ms;
}

.buildin-btn-text .btn-letter:nth-child(27) {
    opacity: 0;
    transition-delay: 1349ms;
}

.buildin-btn-text .btn-letter:nth-child(28) {
    opacity: 0;
    transition-delay: 1399ms;
}

.buildin-btn-text .btn-letter:nth-child(29) {
    opacity: 0;
    transition-delay: 1449ms;
}

.buildin-btn-text .btn-letter:nth-child(30) {
    opacity: 0;
    transition-delay: 1499ms;
}

.cta:hover .current-btn-text .btn-letter {
    opacity: 0;
    transform: translateY(-100%);
}
.cta:hover .buildin-btn-text .btn-letter {
    opacity: 1;
    transform: translateY(-100%);
}


